PHP - Replacing Changing Pattern In A String With A New Pattern

Hey Guys. I am learning about the Enterprise pattern, and to me it seems like its the same as the MVC pattern (which I learned about) Do they work the same??   For those who know Martin Fowler's Patterns of Enterprise Application Structure, that is what I am referring to as the enterprise pattern
Edited by eldan88, 13 October 2014 - 10:24 AM.

GD Library Pattern Background ?

Hi all

I have a simple page here that uses the GD Library
to display text in a selected font and size etc.

http://www.ttmt.org.uk/forum/

At moment the stripped background goes from the code.
Is there a way to have an image as the background instead
of the stripped background.

PHP code

Code: [Select]
<?php
        
header('Content-Type: image/png');

$im = imagecreatetruecolor(900, 215);

$w = imagecolorallocate($im, 255, 255, 255);
$c = imagecolorallocate($im, 220, 220, 220);
$black = imagecolorallocatealpha($im, 0, 0, 0, 20);
$style = array($w,$w,$w,$c,$c,$c);
ImageSetStyle($im, $style);

ImageLine($image, 100, 0, 50, 50, IMG_COLOR_STYLED);
imagefilledrectangle($im, 0, 0, 900, 214, IMG_COLOR_STYLED);
    
  $text = $_GET['text'];
$textSize = $_GET['size'];
$font = $_GET['font'];
  
  imagefttext($im, $textSize, 0, 15, 165, $black, $font, $text);

imagepng($im);

imagedestroy($im);

?>

This topic has been moved to PHP Regex.

http://www.phpfreaks.com/forums/index.php?topic=306005.0

Hiya peeps!

I can't seem to build a preg_match pattern that works.

This is what I need to do.

"[" . $errorID . "]='HERE IS WHAT I NEED TO DISPLAY';"

Does anyone have any ideas on how I would build this regex string?

Many thanks,

James.

Hello,   I have a file to display

$file_content = file_get_contents("test.php");

This file is encoded.... In this file there is a specific tag call change_me

<change_me> 
&quot;&lt;code&gt; &lt;strong&gt;Example Element&lt;/strong&gt; &lt;/code&gt;&quot;
 </change_me>

I want to use htmlspecialchars_decode function for <change_me> tag only... <change_me> tag is used two times in file.     Thanks
Edited by arunpatal, 10 July 2014 - 04:15 PM.

For example:
 

$text = preg_replace_callback( "/([@][a-zA-Z-0-9]+)/"    , "umentions", $text, 1); 

That 1 parameter means the maximum times it will iterate right? So If I'm doing:

@Nexus

@Cupcake

@George

it will return:




My problem is. I only want it to iterate over the last match in my function:
 

function umentions($matches){
vdump($matches);
    return "(here you would replace: ".$matches[0]." with something)";
}

How is it possible to use limit, and only iterate the last match not the first?
Edited by Monkuar, 22 January 2015 - 08:46 AM.

I'm trying to preg_match $text for specific words, defined in an array.

$text = "PHP is a programming language of choice";
 

$text = "This is a function written in a programming language called PHP.";

$words = array("/java/", "/PHP/", "/html/");

for ($i = 0; $i < count($words); $i++)
{
   preg_match($words[$i], $text, $matches);
}
 

The problem with tis is that it returns 3 arrays, of which only the second one is a match, and the other 2 arrays are empty.
The result is that I get notice error on my echo page because the 1st and 3rd arrays are empty.

if I want the text to be searched for the first matching result, whether it is java, PHP or html, then stop (if possible) and echo/return the result, how will I do that? Perhaps preg_match is not to be used here but instead something like substr?

In the below example, we match 0 or more alphanumeric characters in the beginning and 0 or more alphanumeric characters in the end. Then we create 4 groups. Each group has "?=" which means "the next text must be like this". Now in first group we match any character 8 or more times. The next group we match 0 or more characters and a digit. In the next group we match 0 or more characters and a lowercase letter. In the next group we match 0 or more characters and an uppercase letter.

<?php
$password = "Fyfjk34sdfjfsjq7";

if (preg_match("/^.*(?=.{8,})(?=.*\d)(?=.*[a-z])(?=.*[A-Z]).*$/", $password)) {
    echo "Your passwords is strong.";
} else {
    echo "Your password is weak.";
}
?>

My question is do these four groups impact each other? That is, the fact that the first group has 8 or more characters means that all the groups must have 8 or more characters. The fact that the second group has a digit means that all the groups must have a digit. Or do they work exclusively meaning that a 4 character word with a single digit would match this pattern, even though first group says it must have 8 characters.

Hi all

I have this simple gd code to produce a filled rectangle with a solid color.

Code: [Select]
<?php
        
header('Content-Type: image/png');

$im = imagecreatetruecolor(1000, 200);

$gray = imagecolorallocate($im, 240, 240, 240);
imagefilledrectangle($im, 0, 0, 1000, 199, $gray);
    

imagepng($im);

imagedestroy($im);

?>

Is it possible to create a rectangle with a pattern such as a lined background.

Hello   I hear alot of talk about reusing a database connection and attempts to solve this.   I came across this post on stackoverflow but am having difficulty understanding as to how this is any different than just creating a instance in a single file and including it via include, require or autoload wherever a db instance is needed.   The pattern talked about in the post is the factory pattern, it seems that the factory is responsible for creating the instance, something which I thought autoloading did without this additional code?   Another thing I am still confused by with all the reuse talk - If 2 seperate users request 2 different pages on our server(2nd user 0.1 second behind the other user) which both refer back to the same db file/factory, are 2 instances created? or is the previuos users instance somehow used aslong as there request has not finished? I thought that the server would make new fresh requests/variables/instantiation etc all over again for every user, perhaps I am wrong.   Thanks in advance.
Edited by RuleBritannia, 13 May 2014 - 05:15 PM.

I am trying to find the last word before a search pattern.  I tried preg_match without any luck.  I found something close online but it does a match for the first match for the pattern.

I know that I will always see , some # pressure.  I want that # right before the word pressure but there are a lot of , in the page.

Thanks in advance.

Code: [Select]
function get_string_between($string, $start, $end){
$string = " ".$string;
$ini = strpos($string,$start);
if ($ini == 0) return "";
$ini += strlen($start);
$len = strpos($string,$end,$ini) - $ini;
return substr($string,$ini,$len);
}

$fullstring = "today, Sat, 750 pressure";
$parsed = get_string_between($fullstring, ", ", "pressure");

 $pattern="/[+][0-9]+[^a-zA-Z*-+!|@#$%&*(){\/}]/"; //
 $subject="+3706*0805595";
 $ans=preg_match($pattern, $subject, $matches);
 print_r($matches);echo "ans=".$ans;

gives output

Array ( [0] => +3706 ) ans=1

Where is my mistake. How to formulate pattern which does not accept string which contains letters or special characters. String must start with +, contain digits.

This topic has been moved to Third Party PHP Scripts.

http://www.phpfreaks.com/forums/index.php?topic=347558.0

 
Hi Everyone,

I have just started using Simple HTML DOM today and I have spent 4 hours not getting what I want.

I want to be able to extract the following information:

Code: [Select]
<div class="listing_content">
<span class="serialNumb" style="line-height: 21px;">77777</span>
<br />
444 ASDF, Alpha, Tango, Beta
<br />
77777 Director:99999
              <div>
<img title='web' src='http://cpgimg.com/images/icon_sm_web.gif' alt='web'/>&nbsp;&nbsp;<a href='javascript:void(0)' onClick="window.open('/redir.jsp?p_url=http:%2f%2fwww.cnn.com&p_cid=2707304&p_hid=279E00&p_ct=3527&p_pr=KO&p_fr=U');" class='listing_link'>website</a>&nbsp;&nbsp;<img title='email' src='http://cpgimg.com/images/icon_sm_mail.gif' alt='email'/>&nbsp;&nbsp;<a class='listing_link' href="javascript:void(0)" onclick="popupEmail('/email.jsp?lang=0&p_cid=2707304');(new Image()).src='/redir.jsp?p_url=&p_cid=2707304&p_hid=279E00&p_ct=3527&p_pr=ON&p_fr=E&msec='+(new Date()).getMilliseconds()">E-mail</a>&nbsp;&nbsp;
               </div>
</div>                                  
The content I need to pull separately from above include:
1- serialNumb = 77777
2- 444 ASDF, Alpha, Tango, Beta
3- 77777 Director:99999
4- www.cnn.com

I want all the data to recorded to different variables so I can upload them to MySQL.

Any help with this is much appreciated. I don't have to use Simple DOM HTML but per my search it seems to be the best tool (however, I am not so lucky with it.)

***Not to forget that this page is full of <div>, <br />, <img>, and other tags. The quoted part is just one excerpt but this part is unique and used once in the page "style="line-height: 21px;". Also the "('/redir.jsp?p_url" is also unique for the URL portion.

Thanks again.

As written in title, I use Template method pattern. Template method calls other overloaded methods with particular implementation, but how to solve situation, when this method need to break whole algorithm? Yes, throw exception, that should be the way, but not every interruption is really exception. Is this a mistake in design, or there is any way to implement interruption of template method?